the act of systematically moving a finely focused beam of light or electrons over a surface in order to produce an image of it for analysis or transmission
the process of translating photographs into a digital form that can be recognized by a computer
incomprehensibility resulting from irrelevant information or meaningless facts or remarks; "all the noise in his speech concealed the fact that he didn't have anything to say"
the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience; "modern music is just noise to me"
a loud outcry of protest or complaint; "the announcement of the election recount caused a lot of noise"; "whatever it was he didn't like it and he was going to let them know by making as loud a noise as he could"
sound of any kind (especially unintelligible or dissonant sound); "he enjoyed the street noises"; "they heard indistinct noises of people talking"; "during the firework display that ended the gala the noise reached 98 decibels"
electrical or acoustic activity that can disturb communication
a passage for water (or other fluids) to flow through; "the fields were crossed with irrigation channels"; "gutters carried off the rainwater into a series of channels under the street"
a television station and its programs; "a satellite TV channel"; "surfing through the channels"; "they offer more than one hundred channels"
a path over which electrical signals can pass; "a channel is typically what you rent from a telephone company"
(often plural) a means of communication or access; "it must go through official channels"; "lines of communication were set up between the two firms"
a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels; "the ship went aground in the channel"
direct the flow of; "channel information towards a broad audience"